Finding the Fourth Proportional to 77,111.43, 106,369.41 and 45,274.18

Step by Step Solution

1. Step 1: Write the proportion equation
   77,111.43 : 106,369.41 = 45,274.18 : x
2. Step 2: Convert to fraction form
   77,111.43/106,369.41 = 45,274.18/x
3. Step 3: Cross multiply
   77,111.43x = 106,369.41 × 45,274.18
4. Step 4: Simplify right side
   77,111.43x = 4,815,787,718.69
5. Step 5: Solve for x
   x = 4,815,787,718.69/77,111.43
6. Step 6: Final answer
   x = 62,452.32